l If the original shipping container is unavailable, use a container that will ensure at least 10 cm (4
in.) of compressible packaging material around the entire instrument. Use static-free packaging
materials.
Keysight suggests that you always insure shipments.
Cleaning
SHOCK HAZARD To prevent electric shock, unplug the unit before cleaning.
Clean the outside of the instrument with a soft, lint-free, slightly damp cloth. Do not use detergent.
Disassembly is not required or recommended for cleaning.
Keysight N6900/N7900 Series Operating and Service Guide 343
8 Service and Maintenance